Notify demux stream clients when a stream is disabled.

media/base/fake_text_track_stream.cc

Index: media/base/fake_text_track_stream.cc
diff --git a/media/base/fake_text_track_stream.cc b/media/base/fake_text_track_stream.cc
index c0a8ae48b1d02979ed77dddd3d794ead1fc941bf..279fe39c55349b30b4b1bc102db158a7ef59cbbe 100644
--- a/media/base/fake_text_track_stream.cc
+++ b/media/base/fake_text_track_stream.cc
@@ -54,7 +54,8 @@ void FakeTextTrackStream::set_enabled(bool enabled, base::TimeDelta timestamp) {
   NOTIMPLEMENTED();
 }
 
-void FakeTextTrackStream::SetStreamRestartedCB(const StreamRestartedCB& cb) {
+void FakeTextTrackStream::SetStreamStatusChangeCB(
+    const StreamStatusChangeCB& cb) {
   NOTIMPLEMENTED();
 }